28502880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:541

約数の個数: 192

約数和(自身を含む): 108864000

約数和(自身を除く): 80361120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 499, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 998, 1020, 1120, 1190, 1360, 1428, 1497, 1632, 1680, 1785, 1904, 1996, 2040, 2380, 2495, 2720, 2856, 2994, 3360, 3493, 3570, 3808, 3992, 4080, 4760, 4990, 5712, 5988, 6986, 7140, 7485, 7984, 8160, 8483, 9520, 9980, 10479, 11424, 11976, 13972, 14280, 14970, 15968, 16966, 17465, 19040, 19960, 20958, 23952, 25449, 27944, 28560, 29940, 33932, 34930, 39920, 41916, 42415, 47904, 50898, 52395, 55888, 57120, 59381, 59880, 67864, 69860, 79840, 83832, 84830, 101796, 104790, 111776, 118762, 119760, 127245, 135728, 139720, 167664, 169660, 178143, 203592, 209580, 237524, 239520, 254490, 271456, 279440, 296905, 335328, 339320, 356286, 407184, 419160, 475048, 508980, 558880, 593810, 678640, 712572, 814368, 838320, 890715, 950096, 1017960, 1187620, 1357280, 1425144, 1676640, 1781430, 1900192, 2035920, 2375240, 2850288, 3562860, 4071840, 4750480, 5700576, 7125720, 9500960, 14251440, 28502880]

約数ペア:

[(1, 28502880), (2, 14251440), (3, 9500960), (4, 7125720), (5, 5700576), (6, 4750480), (7, 4071840), (8, 3562860), (10, 2850288), (12, 2375240), (14, 2035920), (15, 1900192), (16, 1781430), (17, 1676640), (20, 1425144), (21, 1357280), (24, 1187620), (28, 1017960), (30, 950096), (32, 890715), (34, 838320), (35, 814368), (40, 712572), (42, 678640), (48, 593810), (51, 558880), (56, 508980), (60, 475048), (68, 419160), (70, 407184), (80, 356286), (84, 339320), (85, 335328), (96, 296905), (102, 279440), (105, 271456), (112, 254490), (119, 239520), (120, 237524), (136, 209580), (140, 203592), (160, 178143), (168, 169660), (170, 167664), (204, 139720), (210, 135728), (224, 127245), (238, 119760), (240, 118762), (255, 111776), (272, 104790), (280, 101796), (336, 84830), (340, 83832), (357, 79840), (408, 69860), (420, 67864), (476, 59880), (480, 59381), (499, 57120), (510, 55888), (544, 52395), (560, 50898), (595, 47904), (672, 42415), (680, 41916), (714, 39920), (816, 34930), (840, 33932), (952, 29940), (998, 28560), (1020, 27944), (1120, 25449), (1190, 23952), (1360, 20958), (1428, 19960), (1497, 19040), (1632, 17465), (1680, 16966), (1785, 15968), (1904, 14970), (1996, 14280), (2040, 13972), (2380, 11976), (2495, 11424), (2720, 10479), (2856, 9980), (2994, 9520), (3360, 8483), (3493, 8160), (3570, 7984), (3808, 7485), (3992, 7140), (4080, 6986), (4760, 5988), (4990, 5712)]